PIC18F2431-I/SO Microchip Technology, PIC18F2431-I/SO Datasheet - Page 112

• Manufacturer Part Number: PIC18F2431-I/SO
• Description: IC PIC MCU FLASH 8KX16 28SOIC
• Manufacturer: Microchip Technology
• Series: PIC® 18Fr

Specifications of PIC18F2431-I/SO

• Program Memory Type: FLASH
• Program Memory Size: 16KB (8K x 16)
• Package / Case: 28-SOIC (7.5mm Width)
• Core Processor: PIC
• Core Size: 8-Bit
• Speed: 40MHz
• Connectivity: I²C, SPI, UART/USART
• Peripherals: Brown-out Detect/Reset, LVD, Power Control PWM, QEI, POR, PWM, WDT
• Number Of I /o: 24
• Eeprom Size: 256 x 8
• Ram Size: 768 x 8
• Voltage - Supply (vcc/vdd): 4.2 V ~ 5.5 V
• Data Converters: A/D 5x10b
• Oscillator Type: Internal
• Operating Temperature: -40°C ~ 85°C
• Processor Series: PIC18F
• Core: PIC
• Data Bus Width: 8 bit
• Data Ram Size: 768 B
• Interface Type: EUSART/I2C/SPI/SSP
• Maximum Clock Frequency: 40 MHz
• Number Of Programmable I/os: 24
• Number Of Timers: 4
• Operating Supply Voltage: 2 V to 5.5 V
• Maximum Operating Temperature: + 85 C
• Mounting Style: SMD/SMT
• 3rd Party Development Tools: 52715-96, 52716-328, 52717-734, 52712-325, EWPIC18
• Development Tools By Supplier: PG164130, DV164035, DV244005, DV164005, PG164120, ICE2000, ICE4000, DM183021, DV164136
• Minimum Operating Temperature: - 40 C
• On-chip Adc: 5-ch x 10-bit
• Package: 28SOIC W
• Device Core: PIC
• Family Name: PIC18
• Maximum Speed: 40 MHz
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• For Use With: XLT28SO-1 - SOCKET TRANSITION 28SOIC 300MILI3-DB18F4431 - BOARD DAUGHTER ICEPIC3
• Lead Free Status / Rohs Status: Lead free / RoHS Compliant

PIC18F2331/2431/4331/4431
FIGURE 10-6:
FIGURE 10-7:
DS39616B-page 110
Data
Bus
WR LATA
or
PORTA
WR TRISA
WR LATA
or
PORTA
Data
Bus
RD PORTA
RD PORTA
To A/D Converter/LVD Module Input
ECRA6 or RCRA6
Enable
RD LATA
TRIS Latch
Data Latch
TRIS Latch
Data Latch
D
D
RD TRISA
D
D
CK
CK
CK
CK
RD LATA
Q
Q
Q
Q
BLOCK DIAGRAM OF RA5
Q
Q
BLOCK DIAGRAM OF RA6
Q
Q
RD TRISA
Q
ECRA6 or
RCRA6
Enable
EN
Analog
Input
Mode or
LVDIN
Enabled
Q
D
V
V
P
N
DD
SS
EN
D
V
V
P
N
SS
DD
O
SCILLATOR
T
O
TTL
Input
Buffer
TTL
Input
Buffer
I/O
Pin
I/O
Pin
Preliminary
FIGURE 10-8:
WR LATA
or
PORTA
Data
Bus
RD PORTA
INTOSC Enable
TRIS Latch
Data Latch
RD TRISA
D
D
CK
CK
RD LATA
Q
Q
Q
Q
BLOCK DIAGRAM OF RA7
 2003 Microchip Technology Inc.
INTOSC
w/RA7 Enable
Q
EN
D
V
V
P
N
SS
DD
O
SCILLATOR
T
O
TTL
Input
Buffer
I/O
Pin